X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Fextlib%2FgraphvizPp.ml;h=82fa9807de15a786b8bd7e338ca82af3348976e5;hb=1b1a0b78ea59c7f0fe2bf7ffda4a5cda260add35;hp=4804699e0a7ef048dae9851641411e7e768be6e5;hpb=0ece452577dc3d9e593c862c0531367aa6d8840a;p=helm.git

diff --git a/components/extlib/graphvizPp.ml b/components/extlib/graphvizPp.ml
index 4804699e0..82fa9807d 100644
--- a/components/extlib/graphvizPp.ml
+++ b/components/extlib/graphvizPp.ml
@@ -30,6 +30,7 @@ type attribute = string * string  (* <key, value> pair *)
 module type GraphvizFormatter =
   sig
     val header:
+      ?graph_type:string -> 
       ?name:string -> ?graph_attrs:(attribute list) ->
       ?node_attrs:(attribute list) -> ?edge_attrs:(attribute list) ->
       Format.formatter ->
@@ -55,8 +56,8 @@ module Dot =
       attributes attrs fmt;
       fprintf fmt "];@]@,"
 
-    let header ?(name = "g") ?(graph_attrs = []) ?node_attrs ?edge_attrs fmt =
-      fprintf fmt "@[<hv2>strict digraph %s {@," name;
+    let header ?(graph_type = "digraph") ?(name = "g") ?(graph_attrs = []) ?node_attrs ?edge_attrs fmt =
+      fprintf fmt "@[<hv2>%s %s {@," graph_type name;
       List.iter (fun (k, v) -> fprintf fmt "@[<hv2>%s=@,%s;@]@," k v)
         graph_attrs;
       (match node_attrs with